Division 1. Department of Industrial Relations
Chapter 4. Division of Industrial Safety

Subchapter 14. Petroleum Safety Orders--Drilling and Production

Article 1. Application and Variances (Sections 6500 - 6504) Article 2. Definitions (Section 6505) Article 3. Injury and Illness Prevention Program (Sections 6707 - 6509) Article 4. First Aid and Medical Services (Sections 6511 - 6512) Article 5. Dangerous Exposure (Sections 6513 - 6516) Article 6. Fires and Explosions (Sections 6518 - 6527) Article 7. Confined Spaces (Sections 6528 - 6529) Article 8. Gas and Vapor Testing (Section 6531) Article 9. Pipe Lines, Fittings, and Valves (Section 6533) Article 10. Opening and Blinding Pipe Lines and Equipment (Sections 6535 - 6536) Article 11. Drainage, Housekeeping and Leakage Control (Sections 6538 - 6540) Article 12. Hazardous Substances (Section 6542) Article 13. Agitation and Heating of Liquids in Tanks (Section 6544) Article 14. Reservoirs and Stationary Tanks (Sections 6546 - 6549) Article 15. Unfired Pressure Vessels, Boilers, and Fired Pressure Vessels and Pressure Relief Devices (Sections 6551 - 6552) Article 16. Gas Compressors and Engines (Sections 6553 - 6554) Article 17. Identification of Wells and Equipment (Section 6556) Article 18. Standard Type Derricks (Sections 6558 - 6566) Article 19. All Derricks, Masts and Supporting Structures (Sections 6568 - 6574) Article 20. Cellars and Shafts (Sections 6576 - 6577) Article 21. Access and Exits, Derrick and Mast Floors (Section 6579) Article 22. Safety Belts and Lanyards (Section 6580) Article 23. Erection of Derricks and Masts (Sections 6582 - 6584) Article 24. Guying Derricks and Masts (Sections 6586 - 6587) Article 25. Crown Platforms and Railings (Sections 6589 - 6592) Article 26. Pipe and Sucker Rod Platforms for Derricks and Masts (Sections 6594 - 6595) Article 27. Pipe Racking Supports for Derricks and Masts (Sections (Sections 6596 - 6597) Article 28. Ladders and Ladderway Openings for Derricks and Masts (Sections 6599 - 6601) Article 29. Tools, Equipment, and Materials in Derricks or Masts (Section 6603) Article 30. Back-Up Posts, Kelly Pull-Back Posts, Back-Up and Safety Lines for Pipe Tongs (Section 6605) Article 31. Handling Heavy Tools at Drilling Wells (Section 6607) Article 32. Rotary and Circulating Hose and Standpipe (Section 6609) Article 33. Rotary Drilling Machinery (Sections 6611 - 6613) Article 34. Standard Tool-Drilling Machinery (Sections 6614 - 6619) Article 35. Drilling and Well-Servicing Machinery and Equipment (Sections 6621 - 6628) Article 37. Oil Well Pumping Machinery and Equipment (Sections 6629 - 6633) Article 38. Pumps and Pump Pressure Relief Devices (Section 6634) Article 39. Guarding Sheaves for Telescoping, Jackknife, Gin Pole and Cantilever Derricks and Masts (Section 6636) Article 40. Traveling Blocks and Hooks or Similar Devices (Section 6638) Article 41. Wire Rope Lines (Section 6640) Article 42. Catheads for Well-Drilling and Well-Servicing Machinery (Section 6642) Article 43. Lines Used on Catheads (Sections 6644 - 6645) Article 44. Miscellaneous Tools and Equipment (Section 6646) Article 45. Pipe Handling and Storage Racks (Sections 6648 - 6649) Article 46. Liquid Loading and Unloading Facilities and Operations 6651 - 6653) Article 47. General Safety Provisions and Precautions (Section 6655) Article 48. Illumination (Section 6657) Article 49. Wharves and Piers (Section 6659) Article 50. Shafts at Oil Wells (Sections 6661 - 6671) Article 51. Rig-Building Equipment and Operations (Sections 6672 - 6679) Article 52. Prime Movers (Sections 6681 - 6685) Article 53. Line Spoolers and Dead Line Stabilizers (Section 6688) Article 54. Weight Indicators (Section 6690) Article 55. Blowout Prevention (Sections 6691 - 6692) Article 56. Attractive Nuisance Guards (Section 6693

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